Vang Bac Thang Long Address: No 41, Ha Trung Street, Hang Bong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102022429 Phone: 02439288892 Representative: Trinh Bien Cuong Adress: P8, 4C Tap The Nam Dong, Nam Dong Ward, Dong Da District, Ha Noi City Hang Bong Ward, Hoan Kiem District, Ha Noi CityFounding date: 7 - 9 - 2006